Foundation November 2020 Unit 2 Q11

(a) Write down the next two numbers in the following sequence. [2]

50     39     28     17     ……………     ……………

(b) Use the formula  \(x = 4a + 3b\)  to find the value of \(x\) when \(a\) = 7·2 and \(b\) = −4·6. [2]